Kei ISHIMARU

Person

Chino-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Current detection circuit, circuit device, and solenoid control device
- Patent number 11,761,991
- Issue date Sep 19, 2023
- Seiko Epson Corporation
- Toshimichi Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Circuit device, light source device, and electronic apparatus
- Patent number 11,749,684
- Issue date Sep 5, 2023
- Seiko Epson Corporation
- Kei Ishimaru
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Integrated circuit device and light source device
- Patent number 11,632,831
- Issue date Apr 18, 2023
- Seiko Epson Corporation
- Kei Ishimaru
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light source apparatus and projection-type display apparatus
- Patent number 11,324,100
- Issue date May 3, 2022
- Seiko Epson Corporation
- Kei Ishimaru
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light emission control device, light source device, and projection...
- Patent number 10,795,251
- Issue date Oct 6, 2020
- Seiko Epson Corporation
- Kei Ishimaru
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emission control circuit, light source device, and projection...
- Patent number 10,334,694
- Issue date Jun 25, 2019
- Seiko Epson Corporation
- Norikazu Tsukahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Light emission control circuit, light source apparatus, and project...
- Patent number 10,036,945
- Issue date Jul 31, 2018
- Seiko Epson Corporation
- Atsushi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Current Detection Circuit, Circuit Device, And Solenoid Control Device
- Publication number 20220317162
- Publication date Oct 6, 2022
- SEIKO EPSON CORPORATION
- Toshimichi YAMADA
- G01 - MEASURING TESTING
Information Patent Application
Integrated Circuit Device And Light Source Device
- Publication number 20220240357
- Publication date Jul 28, 2022
- SEIKO EPSON CORPORATION
- Kei ISHIMARU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CIRCUIT DEVICE, LIGHT SOURCE DEVICE, AND ELECTRONIC APPARATUS
- Publication number 20210035491
- Publication date Feb 4, 2021
- SEIKO EPSON CORPORATION
- Kei ISHIMARU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT SOURCE APPARATUS AND PROJECTION-TYPE DISPLAY APPARATUS
- Publication number 20200413523
- Publication date Dec 31, 2020
- SEIKO EPSON CORPORATION
- Kei ISHIMARU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT EMISSION CONTROL DEVICE, LIGHT SOURCE DEVICE, AND PROJECTION...
- Publication number 20200264501
- Publication date Aug 20, 2020
- SEIKO EPSON CORPORATION
- Kei ISHIMARU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMISSION CONTROL CIRCUIT, LIGHT SOURCE DEVICE, AND PROJECTION...
- Publication number 20190110349
- Publication date Apr 11, 2019
- SEIKO EPSON CORPORATION
- Norikazu TSUKAHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT EMISSION CONTROL CIRCUIT, LIGHT SOURCE APPARATUS, AND PROJECT...
- Publication number 20180307131
- Publication date Oct 25, 2018
- SEIKO EPSON CORPORATION
- Atsushi YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT EMISSION CONTROL CIRCUIT, LIGHT SOURCE APPARATUS, AND PROJECT...
- Publication number 20180180978
- Publication date Jun 28, 2018
- SEIKO EPSON CORPORATION
- Atsushi YAMADA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Kei ISHIMARU

Person

Patents Grantslast 30 patents

Current detection circuit, circuit device, and solenoid control device

Circuit device, light source device, and electronic apparatus

Integrated circuit device and light source device

Light source apparatus and projection-type display apparatus

Light emission control device, light source device, and projection...

Light emission control circuit, light source device, and projection...

Light emission control circuit, light source apparatus, and project...

Patents Applicationslast 30 patents

Current Detection Circuit, Circuit Device, And Solenoid Control Device

Integrated Circuit Device And Light Source Device

CIRCUIT DEVICE, LIGHT SOURCE DEVICE, AND ELECTRONIC APPARATUS

LIGHT SOURCE APPARATUS AND PROJECTION-TYPE DISPLAY APPARATUS

LIGHT EMISSION CONTROL DEVICE, LIGHT SOURCE DEVICE, AND PROJECTION...

LIGHT EMISSION CONTROL CIRCUIT, LIGHT SOURCE DEVICE, AND PROJECTION...

LIGHT EMISSION CONTROL CIRCUIT, LIGHT SOURCE APPARATUS, AND PROJECT...

LIGHT EMISSION CONTROL CIRCUIT, LIGHT SOURCE APPARATUS, AND PROJECT...